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Truth Tables

Four switches mean 16 distinct input combinations. Can you anticipate the results of all 16? This graphic organizer may help.

PI4: Colored Light and Filters

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The link on the right gives you the first stage of the PI4 assignment, which we will do in class today.

Purple is not Violet, and Yellow is Weird

Review of the Barney-inspired lesson.... Without any singing.....

Light Boxes

Let's see if the simulation got it right!